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-rw-r--r--firmware/target/sh/system-target.h14
-rw-r--r--firmware/target/sh/thread-sh.c109
2 files changed, 14 insertions, 109 deletions
diff --git a/firmware/target/sh/system-target.h b/firmware/target/sh/system-target.h
index 5db9cc071f..a62a024823 100644
--- a/firmware/target/sh/system-target.h
+++ b/firmware/target/sh/system-target.h
@@ -137,4 +137,18 @@ static inline void commit_dcache(void) {}
static inline void commit_discard_dcache(void) {}
static inline void commit_discard_idcache(void) {}
+/*---------------------------------------------------------------------------
+ * Put core in a power-saving state.
+ *---------------------------------------------------------------------------
+ */
+static inline void core_sleep(void)
+{
+ asm volatile (
+ "and.b #0x7f, @(r0, gbr) \n" /* Clear SBY (bit 7) in SBYCR */
+ "mov #0, r1 \n" /* Enable interrupts */
+ "ldc r1, sr \n" /* Following instruction cannot be interrupted */
+ "sleep \n" /* Execute standby */
+ : : "z"(&SBYCR-GBR) : "r1");
+}
+
#endif /* SYSTEM_TARGET_H */
diff --git a/firmware/target/sh/thread-sh.c b/firmware/target/sh/thread-sh.c
deleted file mode 100644
index 0f844f204b..0000000000
--- a/firmware/target/sh/thread-sh.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/***************************************************************************
- * __________ __ ___.
- * Open \______ \ ____ ____ | | _\_ |__ _______ ___
- * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
- * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
- * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
- * \/ \/ \/ \/ \/
- * $Id$
- *
- * Copyright (C) 2002 by Ulf Ralberg
- *
- * SH processor threading support
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-
-/*---------------------------------------------------------------------------
- * Start the thread running and terminate it if it returns
- *---------------------------------------------------------------------------
- */
-void start_thread(void); /* Provide C access to ASM label */
-static void USED_ATTR __start_thread(void)
-{
- /* r8 = context */
- asm volatile (
- "_start_thread: \n" /* Start here - no naked attribute */
- "mov.l @(4, r8), r0 \n" /* Fetch thread function pointer */
- "mov.l @(28, r8), r15 \n" /* Set initial sp */
- "mov #0, r1 \n" /* Start the thread */
- "jsr @r0 \n"
- "mov.l r1, @(36, r8) \n" /* Clear start address */
- );
- thread_exit();
-}
-
-/* Place context pointer in r8 slot, function pointer in r9 slot, and
- * start_thread pointer in context_start */
-#define THREAD_STARTUP_INIT(core, thread, function) \
- ({ (thread)->context.r[0] = (uint32_t)&(thread)->context, \
- (thread)->context.r[1] = (uint32_t)(function), \
- (thread)->context.start = (uint32_t)start_thread; })
-
-/*---------------------------------------------------------------------------
- * Store non-volatile context.
- *---------------------------------------------------------------------------
- */
-static inline void store_context(void* addr)
-{
- asm volatile (
- "add #36, %0 \n" /* Start at last reg. By the time routine */
- "sts.l pr, @-%0 \n" /* is done, %0 will have the original value */
- "mov.l r15,@-%0 \n"
- "mov.l r14,@-%0 \n"
- "mov.l r13,@-%0 \n"
- "mov.l r12,@-%0 \n"
- "mov.l r11,@-%0 \n"
- "mov.l r10,@-%0 \n"
- "mov.l r9, @-%0 \n"
- "mov.l r8, @-%0 \n"
- : : "r" (addr)
- );
-}
-
-/*---------------------------------------------------------------------------
- * Load non-volatile context.
- *---------------------------------------------------------------------------
- */
-static inline void load_context(const void* addr)
-{
- asm volatile (
- "mov.l @(36, %0), r0 \n" /* Get start address */
- "tst r0, r0 \n"
- "bt .running \n" /* NULL -> already running */
- "jmp @r0 \n" /* r8 = context */
- ".running: \n"
- "mov.l @%0+, r8 \n" /* Executes in delay slot and outside it */
- "mov.l @%0+, r9 \n"
- "mov.l @%0+, r10 \n"
- "mov.l @%0+, r11 \n"
- "mov.l @%0+, r12 \n"
- "mov.l @%0+, r13 \n"
- "mov.l @%0+, r14 \n"
- "mov.l @%0+, r15 \n"
- "lds.l @%0+, pr \n"
- : : "r" (addr) : "r0" /* only! */
- );
-}
-
-/*---------------------------------------------------------------------------
- * Put core in a power-saving state.
- *---------------------------------------------------------------------------
- */
-static inline void core_sleep(void)
-{
- asm volatile (
- "and.b #0x7f, @(r0, gbr) \n" /* Clear SBY (bit 7) in SBYCR */
- "mov #0, r1 \n" /* Enable interrupts */
- "ldc r1, sr \n" /* Following instruction cannot be interrupted */
- "sleep \n" /* Execute standby */
- : : "z"(&SBYCR-GBR) : "r1");
-}
-